| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 3 | — |  | The Rest Is Science | Goalhanger | |
| 4 | 1 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 5 | 1 |  | Radiolab | WNYC Studios | |
| 6 | — |  | Ideas of India | Mercatus Center at George Mason University | |
| 7 | 1 |  | Science Vs | Spotify Studios | |
| 8 | 7 |  | Boring History for Sleep | Velvet | |
| 9 | 2 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 10 | 1 |  | Unexplainable | Vox | |
| 11 | 11 |  | Making Sense with Sam Harris | Sam Harris | |
| 12 | 3 |  | Ologies with Alie Ward | Alie Ward | |
| 13 | 1 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 14 | 1 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 15 | 5 |  | Science Weekly | The Guardian | |
| 16 | 1 |  | Discovery | BBC World Service | |
| 17 | 7 |  | Short Wave | NPR | |
| 18 | 7 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 19 | 10 |  | This Week in Cardiology | Medscape | |
| 20 | — |  | Stanford Psychology Podcast | Stanford Psychology | |
| 21 | 5 |  | EarthWise | Vivaan Mathur | |
| 22 | 3 |  | Planet Em | Emily McDonald | |
| 23 | 9 |  | The Quanta Podcast | Quanta Magazine | |
| 24 | 71 |  | The Answer Is Transaction Costs | Michael Munger | |
| 25 | 25 |  | Curious Cases | BBC Radio 4 | |
| 26 | 28 |  | Nature Podcast | Springer Nature Limited | |
| 27 | 12 |  | The Orthobullets Podcast | Orthobullets | |
| 28 | 7 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 29 | — |  | TheThinkingAtheist | The Thinking Atheist | |
| 30 | 2 |  | The Psychology Podcast | iHeartPodcasts | |
| 31 | 5 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 32 | 5 |  | More or Less | BBC Radio 4 | |
| 33 | 3 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 34 | 10 |  | Speaking of Psychology | American Psychological Association | |
| 35 | 82 |  | Research To Practice | Oncology Videos | Dr Neil Love | |
| 36 | 15 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 37 | 126 |  | Hematologic Oncology Update | Dr. Neil Love | |
| 38 | 127 |  | Mysterious Universe | 8th Kind | |
| 39 | 21 |  | Astrum Space | Astrum | |
| 40 | 1 |  | CrowdScience | BBC World Service | |
| 41 | 5 |  | Science Friday | Science Friday and WNYC Studios | |
| 42 | 19 |  | Bedtime Astronomy | Synthetic Universe | |
| 43 | 10 |  | You Are Not So Smart | You Are Not So Smart | |
| 44 | 13 |  | Sher Khan | Aaj Tak Radio | |
| 45 | — |  | MinuteEarth | Minute Earth | |
| 46 | 18 |  | Overheard at National Geographic | National Geographic | |
| 47 | 63 |  | The Life Scientific | BBC Radio 4 | |
| 48 | 15 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 49 | — |  | UpToDate Talk | UpToDate | |
| 50 | 20 |  | BBC Inside Science | BBC Radio 4 | |
| 51 | 9 |  | Ask a Spaceman! | Paul M. Sutter | |
| 52 | 84 |  | A Life More Wild | Canopy & Stars | |
| 53 | — |  | New Books in Science, Technology, and Society | New Books Network | |
| 54 | 55 |  | Science Magazine Podcast | Science Magazine | |
| 55 | 107 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 56 | 15 |  | The Science of Everything Podcast | James Fodor | |
| 57 | 8 |  | Relaxing Music For Sleep And Stress Relief | AK Entertainments | |
| 58 | — |  | 絮言．狂想 seoijin | 以色列、三苗、靳尼 | |
| 59 | 124 |  | The Numberphile Podcast | Brady Haran | |
| 60 | 20 |  | Babbage from The Economist | The Economist | |
| 61 | 24 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 62 | 11 |  | Tomorrow's Cure | Mayo Clinic | |
| 63 | — |  | Mind & Matter | Nick Jikomes | |
| 64 | 87 |  | The Nature Of with Willow Defebaugh | Atmos | |
| 65 | 17 |  | Ancient Aliens | PodcastOne | |
| 66 | 20 |  | Prostate Cancer Update | Dr. Neil Love | |
| 67 | — |  | Clinical Pharmacology Podcast with Nathan Teuscher | Nathan Teuscher | |
| 68 | 14 |  | The world, the universe and us | New Scientist | |
| 69 | — |  | Get Birding | Peanut & Crumb | |
| 70 | 25 |  | New Books in Critical Theory | Marshall Poe | |
| 71 | — |  | Infinitely Irrational: A Math Podcast | Infinitely Irrational: A Math Podcast | |
| 72 | 5 |  | Let's Learn Everything! | Maximum Fun | |
| 73 | 30 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 74 | 32 |  | Tales of Transformation | Deloitte US | |
| 75 | — |  | CREOGs Over Coffee | CREOGs Over Coffee | |
| 76 | — |  | Neuroscience: Amateur Hour | Neuroscience: Amateur Hour | |
| 77 | 60 |  | All In The Mind | ABC | |
| 78 | — |  | Small Steps, Giant Leaps | National Aeronautics and Space Administration (NASA) | |
| 79 | — |  | That UFO Podcast | That UFO Podcast | |
| 80 | — |  | गोष्ट दुनियेची | BBC Marathi Audio | |
| 81 | — |  | Normal Curves: Sexy Science, Serious Statistics | Regina Nuzzo and Kristin Sainani | |
| 82 | — |  | Innovation and the Future of Pharmacovigilance | Indy Ahluwalia | |
| 83 | 30 |  | Thoughtforms Life | Michael Levin | |
| 84 | — |  | Opinionated History of Mathematics | Intellectual Mathematics | |
| 85 | — |  | Physics World Stories Podcast | Physics World | |
| 86 | 30 |  | The Joy of x | Steven Strogatz and Quanta Magazine | |
| 87 | — |  | Stepwell | Express Audio | |
| 88 | — |  | Logically Answered | Logically Answered | |
| 89 | — |  | Conversations on the Pharmaceutical Industry | Reading Scientific Services Ltd | |
| 90 | — |  | Sayap & Udara | SIDU | |
| 91 | 32 |  | The Science of Birds | Ivan Phillipsen | |
| 92 | 58 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 93 | 66 |  | BrainStuff | iHeartPodcasts | |
| 94 | — |  | Oncology Today with Dr Neil Love | Dr. Neil Love | |
| 95 | 35 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 96 | 49 |  | SAPIENS: A Podcast for Everything Human | SAPIENS | |
| 97 | 39 |  | TED Talks Science and Medicine | TED | |
| 98 | 60 |  | Science Quickly | Scientific American | |
| 99 | — |  | Naturpodden – Natursidan | Emil V Nilsson | |
| 100 | 85 |  | Safety Third | Safety Third | |
